20001+1731

  • Unique Name: 20001+1731BU 1477CD
  • RA: 20 00 03.30
  • Dec: +17 30 59.4
  • Discoverer: BU
  • Discoverer Number: 1477
  • Components: CD
  • First year: 1878
  • Last year: 2013
  • Observations: 8
  • First position angle: 205
  • Last position angle: 208
  • First separation: 29.0
  • Last separation: 27.0
  • Mag first component: 5.57
  • Mag second component: 13.4
  • Spectral type: M4IIIa
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -12
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +17 4183
  • Notes: N